bids are invited for sc050650518 siemens add on block 3tx4010 - 2a , sc050650519 siemens add on block 3tx4001 - 2a , sc210440059 push button contact block for rear connection , sc210440432 tdbfp centrifuge reset pb, blue with element , sc210440433 tdbfp centrifuge reset pb blue with element , sc210440304 teknic make element 1 no type s1 , sc210440328 teknic make contact element s21 for push button , sc050630021 add-onblock, mnx-a2 , sc210440174 emergency stop push button station in double metal enclosure , sc500290014 rotary type limit switch , sc210490067 limit switch rotary , sc210250157 limit switch 40a gravity , sc210490066 limit switch one way lever 40a , sc500290013 two way lever type limit switch , sc210490021 bch limit switch snap action angular roller , sc210490020 bch make heavy duty limit switch , st060230027 bch-nlla, snap action, adj. roller lever, heavy duty limit switch total quantity : 2010